diff --git a/Cargo.lock b/Cargo.lock
index 0acb10e823..0958343507 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 [root]
 name = "bindgen"
-version = "0.21.2"
+version = "0.21.3"
 dependencies = [
  "aster 0.38.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cexpr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index d108c2c9ad..c88f949ac1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ name = "bindgen"
 readme = "README.md"
 repository = "https://github.com/servo/rust-bindgen"
 documentation = "https://docs.rs/bindgen"
-version = "0.21.2"
+version = "0.21.3"
 build = "build.rs"
 
 exclude = ["tests/headers", "tests/expectations", "bindgen-integration", "ci"]
diff --git a/src/clang.rs b/src/clang.rs
index bcb22e06ad..84609ca696 100644
--- a/src/clang.rs
+++ b/src/clang.rs
@@ -225,6 +225,7 @@ impl Cursor {
     /// remaining free template arguments?
     pub fn is_fully_specialized_template(&self) -> bool {
         self.is_template_specialization() &&
+        self.kind() != CXCursor_ClassTemplatePartialSpecialization &&
         self.num_template_args().unwrap_or(0) > 0
     }
 
diff --git a/tests/expectations/tests/template_partial_specification.rs b/tests/expectations/tests/template_partial_specification.rs
new file mode 100644
index 0000000000..b4b7b2bcee
--- /dev/null
+++ b/tests/expectations/tests/template_partial_specification.rs
@@ -0,0 +1,7 @@
+/* automatically generated by rust-bindgen */
+
+
+#![allow(non_snake_case)]
+
+
+
diff --git a/tests/headers/template_partial_specification.hpp b/tests/headers/template_partial_specification.hpp
new file mode 100644
index 0000000000..fe1be65868
--- /dev/null
+++ b/tests/headers/template_partial_specification.hpp
@@ -0,0 +1,10 @@
+// bindgen-flags: -- --target=x86_64-pc-win32
+
+template<typename Method, bool Cancelable>
+struct nsRunnableMethodTraits;
+
+template<class C, typename R, bool Cancelable, typename... As>
+struct nsRunnableMethodTraits<R(C::*)(As...), Cancelable>
+{
+  static const bool can_cancel = Cancelable;
+};